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FrozenT [24]
2 years ago
14

Which statement best explains why the overall charge on an atom is zero?

Physics
2 answers:
garri49 [273]2 years ago
8 0

Answer:

idk what the statements are.... but I think I have an idea of what you're looking for...

~~~~The positive charge of protons in the nucleus equals the negative charge in the electron cloud ~~~~

Alexandra [31]2 years ago
8 0

Answer:

B. The positive charge of the protons in the nucleus equals the negative charge in the electron cloud.

Explanation:

u>u don't question u>u

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When a 5.0kg cart undergoes a 2.2m/s increase in speed, what is the impulse of the cart
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Answer:

11.0 kg m/s

Explanation:

The impulse exerted on the cart is equal to its change in momentum:

I=\Delta p=m\Delta v

where

m = 5.0 kg is the mass of the cart

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Substituting numbers into the equation, we find

I=(5.0kg)(2.2 m/s)=11 kg m/s

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Answer:

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3 years ago
What is an electric load ?write with example​
Ganezh [65]

Explanation:

an electrical load is the part of an electrical circuit in which current is transformed into something useful. examples include a lightbulb, a resistor and a motor. a load converts electricity into heat, light or motion. put another way, the part of a circuit that connects to a well-defined output terminal is considered an electrical load.

4 0
3 years ago
If a spring is stretched 4m from its starting length when 20n of force is applied, then how much work (in joules) is done by the
lys-0071 [83]

ANSWER:

250 J

STEP-BY-STEP EXPLANATION:

F = 20N is required to stretch the spring by 4 meters

We know that the force is equal to:

F=k\cdot x

We solve for k (spring constant):

k=\frac{F}{x}=\frac{20}{4}=5\text{ N/m}

The work done in stretching the spring is given by the following equation (in this case the stretch is 10 meters:

\begin{gathered} W=\frac{1}{2}k\cdot x^2 \\ \text{ Replacing} \\ W=\frac{1}{2}\cdot5\cdot10^2 \\ W=250\text{ J} \end{gathered}

The work required is 250 joules.

5 0
1 year ago
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